leonyang98266@gmail.com

1977 The 150th Anniversary of National Observatory

1977 The 150th Anniversary of the Official Elementary Schooling

1977 Nature Conservation

1977 National Day

1977 Brazilian Colonial Coins

1977 Folklore

1977 Occupations

1977 The 150th Anniversary of Juridical Courses

1977 Day of the Stamp

1977 The 50th Anniversary of the Brazilian Grand Masonic Lodge